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Genetic markers: genes involved in thrombosis
1Vascular Biology Research Center, Department of Internal Medicine and Pathology, University of Texas-Houston Medical School, 77030, USA.
Journal of Cardiovascular Risk
|December 29, 1998
Summary
Genetic markers for thrombosis differ between venous and arterial disorders. Factor V mutations are key for venous clots, while specific gene variations may influence arterial thrombosis risk.
Area of Science:
- Genetics
- Cardiovascular Medicine
- Hematology
Background:
- Thrombotic disorders, encompassing venous thromboembolism and arterial atherothrombotic events, represent significant health challenges.
- Understanding the genetic underpinnings of these conditions is crucial for risk stratification and targeted therapies.
Purpose of the Study:
- To summarize and differentiate the known genetic markers associated with human venous and arterial thrombotic disorders.
- To highlight the distinct genetic risk factors influencing each type of thrombosis.
Main Methods:
- Review and synthesis of existing literature on genetic polymorphisms and mutations related to thrombotic diseases.
- Comparative analysis of genetic associations reported for venous thromboembolism versus arterial atherothrombotic disorders.
Main Results:
- Specific genetic defects, such as factor V Leiden mutation (Arg 506-->Gln), are strongly linked to venous thromboembolism risk.
- The same genetic defects are not significantly associated with arterial atherothrombotic disorders.
- Polymorphisms in genes like glycoprotein IIIa, fibrinogen Bbeta chain, factor VII, and plasminogen activator inhibitor-1 are implicated in arterial thrombosis risk, often by influencing plasma factor levels.
Conclusions:
- Genetic determinants of venous and arterial thrombosis are largely distinct.
- Factor V mutation is a primary genetic risk factor for venous thrombosis.
- Further research is warranted to identify additional genetic markers for both venous and arterial thrombotic conditions.